GB1325536A - Centrifuges - Google Patents

Centrifuges

Info

Publication number
GB1325536A
GB1325536A GB4044669A GB1325536DA GB1325536A GB 1325536 A GB1325536 A GB 1325536A GB 4044669 A GB4044669 A GB 4044669A GB 1325536D A GB1325536D A GB 1325536DA GB 1325536 A GB1325536 A GB 1325536A
Authority
GB
United Kingdom
Prior art keywords
rotor
pulses
pulse
centrifuge
track
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4044669A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MSE Holdings Ltd
Original Assignee
MSE Holdings Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MSE Holdings Ltd filed Critical MSE Holdings Ltd
Publication of GB1325536A publication Critical patent/GB1325536A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
    • B04B13/003—Rotor identification systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/106—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by comparing the time duration between two impulses with a reference time
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/911—Phase locked loop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/921—Timer or time delay means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/923—Specific feedback condition or device
    • Y10S388/933—Radiant energy responsive device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Centrifugal Separators (AREA)
GB4044669A 1969-08-13 1969-08-13 Centrifuges Expired GB1325536A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4044669 1969-08-13
US00061602A US3832614A (en) 1969-08-13 1970-08-06 Centrifuges
US05/462,540 US3982162A (en) 1969-08-13 1974-04-19 Centrifuges

Publications (1)

Publication Number Publication Date
GB1325536A true GB1325536A (en) 1973-08-01

Family

ID=27259648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4044669A Expired GB1325536A (en) 1969-08-13 1969-08-13 Centrifuges

Country Status (4)

Country Link
US (2) US3832614A (fr)
DE (1) DE2037530A1 (fr)
FR (1) FR2060598A5 (fr)
GB (1) GB1325536A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5814279A (en) * 1995-02-03 1998-09-29 Fresenius Ag Centrifuge having marker elements

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2559343C2 (de) * 1975-12-31 1983-10-06 Fa. Andreas Hettich, 7200 Tuttlingen Anordnung zur Erfassung einer maximal zulässigen Drehzahl eines auswechselbaren Rotors einer Zentrifuge
US4296362A (en) * 1978-05-18 1981-10-20 Beasley Electric Corporation Motor having electronically switched stator field current and integral torque control
JPS6039089Y2 (ja) * 1982-02-17 1985-11-22 株式会社久保田製作所 ロ−タ種類自動判別装置
DE3301113C2 (de) * 1983-01-14 1985-01-10 Fresenius AG, 6380 Bad Homburg Verfahren und Vorrichtung für das Separieren von Medien
GB8324912D0 (en) * 1983-09-17 1983-10-19 Fisons Plc Magnetic device
HU192531B (en) * 1984-01-26 1987-06-29 Mueszeripari Muevek Lab Multifunctional centrifuge
US4551715A (en) * 1984-04-30 1985-11-05 Beckman Instruments, Inc. Tachometer and rotor identification apparatus for centrifuges
US4700117A (en) * 1985-05-31 1987-10-13 Beckman Instruments, Inc. Centrifuge overspeed protection and imbalance detection system
US4724317A (en) * 1985-12-05 1988-02-09 Baxter Travenol Laboratories, Inc. Optical data collection apparatus and method used with moving members
US4818922A (en) * 1986-10-22 1989-04-04 Allied-Signal Inc. Optical commutation for permanent magnet motors
JPH0657325B2 (ja) * 1986-12-10 1994-08-03 イー・アイ・デュポン・ドゥ・ヌムール・アンド・コンパニー ロータ認識装置
SU1734865A1 (ru) * 1988-07-18 1992-05-23 Московское научно-производственное объединение "Биофизприбор" Устройство дл контрол центрифуги
DE4014431C1 (fr) * 1990-05-05 1991-07-04 Heraeus Sepatech Gmbh, 3360 Osterode, De
US5235864A (en) * 1990-12-21 1993-08-17 E. I. Du Pont De Nemours And Company Centrifuge rotor identification system based on rotor velocity
US5221250A (en) * 1991-01-07 1993-06-22 Beckman Instruments, Inc. Coding of maximum operating speed on centrifuge rotors and detection thereof
DE4208059A1 (de) * 1992-03-13 1993-09-16 Hermle Berthold Maschf Ag Zentrifuge
DE4419485C2 (de) * 1994-06-03 1997-02-13 Sigma Laborzentrifugen Gmbh Rotor für eine Laborzentrifuge
US5714858A (en) * 1995-03-24 1998-02-03 Nuova M.A.I.P. Macchine Agricole Industriali Pieralisi S.P.A. Device for controlling and regulating the relative speed between rotary components interacting with one another respectively connected to the rotor and stator of an electric motor
US5948271A (en) * 1995-12-01 1999-09-07 Baker Hughes Incorporated Method and apparatus for controlling and monitoring continuous feed centrifuge
US6368265B1 (en) * 2000-04-11 2002-04-09 Kendro Laboratory Products, L.P. Method and system for energy management and overspeed protection of a centrifuge
JP3956646B2 (ja) * 2001-05-21 2007-08-08 日立工機株式会社 遠心機
CN101268466A (zh) * 2005-07-19 2008-09-17 托马斯·C·汉森 切向制造系统
US8061262B2 (en) * 2005-08-09 2011-11-22 The Johns Hopkins University Pneumatic stepper motor
US7722562B2 (en) * 2006-03-02 2010-05-25 Tyco Healthcare Group Lp Pump set with safety interlock
US8021336B2 (en) * 2007-01-05 2011-09-20 Tyco Healthcare Group Lp Pump set for administering fluid with secure loading features and manufacture of component therefor
US7722573B2 (en) 2006-03-02 2010-05-25 Covidien Ag Pumping apparatus with secure loading features
US7763005B2 (en) * 2006-03-02 2010-07-27 Covidien Ag Method for using a pump set having secure loading features
US7927304B2 (en) * 2006-03-02 2011-04-19 Tyco Healthcare Group Lp Enteral feeding pump and feeding set therefor
US7560686B2 (en) 2006-12-11 2009-07-14 Tyco Healthcare Group Lp Pump set and pump with electromagnetic radiation operated interlock
US20080147008A1 (en) * 2006-12-15 2008-06-19 Tyco Healthcare Group Lp Optical detection of medical pump rotor position
SE535959C2 (sv) * 2010-01-29 2013-03-05 Alfa Laval Corp Ab System innefattande centrifugalseparator samt metod för kontroll av detsamma
US8154274B2 (en) 2010-05-11 2012-04-10 Tyco Healthcare Group Lp Safety interlock

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1055971A (en) * 1963-03-01 1967-01-25 Mse Holdings Ltd Improvements in or relating to centrifuges
US3462670A (en) * 1966-06-06 1969-08-19 Int Equipment Co Centrifuge and means to prevent overdriving its rotor
US3582699A (en) * 1969-06-12 1971-06-01 Damon Eng Inc Overspeed control for centrifuge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5814279A (en) * 1995-02-03 1998-09-29 Fresenius Ag Centrifuge having marker elements

Also Published As

Publication number Publication date
US3832614A (en) 1974-08-27
DE2037530A1 (de) 1971-02-25
FR2060598A5 (fr) 1971-06-18
US3982162A (en) 1976-09-21

Similar Documents

Publication Publication Date Title
GB1325536A (en) Centrifuges
JPS5635699A (en) Driving system for pulse motor
GB1523069A (en) Malfuncion detecting system for a vehicle velocity detector and/or a drive wheel velocity detector
JPS5211940A (en) Hologram regeneration apparatus
SE333012B (fr)
GB921644A (en) Method of and apparatus for detecting blood in eggs
FR2349188A1 (fr) Systeme de commande de vitesse de cabestan
JPS5466104A (en) Light spot position controller
GB1279804A (en) Tachometer
JPS5722511A (en) Pulse encoder
SU983951A1 (ru) Устройство дл стабилизации скорости вращени электродвигател
GB1303521A (fr)
JPS545744A (en) Rotation controller of rotary scanners
GB1483394A (en) Electronic tachometers
CH556622A (de) Impulsgenerator zur erzeugung von unterschiedlichen ausgangsimpulsen an mehreren ausgaengen.
JPS5464317A (en) Method of controlling acceleration and deceleration of electric motor driven vehicle in automatic operation
SU1283674A1 (ru) Устройство дл контрол последовательности чередовани фаз напр жени трехфазной сети
SU1173385A1 (ru) Преобразователь оптической плотности веществ в интервал времени
JPS56124132A (en) Tracking control circuit for optical disc
GB1298517A (en) Densitometer
SU444237A1 (ru) Система автоматического регулировани положени движущегос магнитного носител
SU989726A1 (ru) Устройство дл стабилизации частоты вращени электродвигател посто нного тока
SU661496A1 (ru) Система управлени
SU1109780A1 (ru) Устройство дл измерени угла поворота вала
GB1245183A (en) Speed control device for electric motors

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee